Mac mini 2009 w/ DIY σ11 PSU, DC iPurifier, iDefender+, iSilencer+ -> PS Audio Lanrover, w/ 22000mha Battery, DC iPurifier2 -> RME ADI-2 pro w/ JAVS Clean Power LiFePO4 Battery, DC iPurifier2 -> First Watt B4 Active Crossover w/ DIY dual rail Salas SSLV PSU -> Ayre V5xe (HF) / Calyx Mono 500 (LF) -> Mini Maggie System w/ stereo DWMs